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The recent influx of open scientific data has contributed to the transitioning of scientific computing from compute intensive to data intensive. Whereas many Big Data frameworks exist that minimize the cost of data transfers, few scientific…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-06 Valérie Hayot-Sasson , Mathieu Dugré , Tristan Glatard

During inference for transformer-based large language models (LLM), prefilling is the computation of the key-value (KV) cache for input tokens in the prompt prior to autoregressive generation. For longer input prompt lengths, prefilling…

Machine Learning · Computer Science 2024-04-16 Siyan Zhao , Daniel Israel , Guy Van den Broeck , Aditya Grover

To amortize cost, cloud vendors providing DNN acceleration as a service to end-users employ consolidation and virtualization to share the underlying resources among multiple DNN service requests. This paper makes a case for a "preemptible"…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-11 Yujeong Choi , Minsoo Rhu

Scientific applications in HPC environment are more com-plex and more data-intensive nowadays. Scientists usually rely on workflow system to manage the complexity: simply define multiple processing steps into a single script and let the…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-17 Dong Dai , Robert Ross , Dounia Khaldi , Yonghong Yan , Matthieu Dorier , Neda Tavakoli , Yong Chen

We show in this work that memory intensive computations can result in severe performance problems due to off-chip memory access and CPU-GPU context switch overheads in a wide range of deep learning models. For this problem, current…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-20 Zhen Zheng , Pengzhan Zhao , Guoping Long , Feiwen Zhu , Kai Zhu , Wenyi Zhao , Lansong Diao , Jun Yang , Wei Lin

Data prefetching is important for storage system optimization and access performance improvement. Traditional prefetchers work well for mining access patterns of sequential logical block address (LBA) but cannot handle complex…

Operating Systems · Computer Science 2023-10-12 Yiyuan Yang , Rongshang Li , Qiquan Shi , Xijun Li , Gang Hu , Xing Li , Mingxuan Yuan

The discrepancy between processor speed and memory system performance continues to limit the performance of many workloads. To address the issue, one effective and well studied technique is cache prefetching. Many prefetching designs have…

Hardware Architecture · Computer Science 2026-02-10 Maccoy Merrell , Lei Wang , Stavros Kalafatis , Paul V. Gratz

Data prefetching--loading data into the cache before it is requested--is essential for reducing I/O overhead and improving database performance. While traditional prefetchers focus on sequential patterns, recent learning-based approaches,…

Databases · Computer Science 2025-10-14 Farzaneh Zirak , Farhana Choudhury , Renata Borovica-Gajic

Our paper presents solutions using erasure coding, parallel connections to storage cloud and limited chunking (i.e., dividing the object into a few smaller segments) together to significantly improve the delay performance of uploading and…

Networking and Internet Architecture · Computer Science 2017-02-02 Guanfeng Liang , Ulas C. Kozat

Caches only exploit spatial and temporal locality in a set of address referenced in a program. Due to dynamic construction of linked data-structures, they are difficult to cache as the spatial locality between the nodes is highly dependent…

Hardware Architecture · Computer Science 2018-01-25 Nitish Kumar Srivastava , Akshay Dilip Navalakha

Modern prefetchers identify memory access patterns in order to predict future accesses. However, many applications exhibit irregular access patterns that do not manifest spatio-temporal locality in the memory address space. Such…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-14 Leeor Peled , Uri Weiser , Yoav Etsion

As the amount of available data continues to grow in fields as diverse as bioinformatics, physics, and remote sensing, the importance of scientific workflows in the design and implementation of reproducible data analysis pipelines…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-11 Jonathan Bader , Fabian Skalski , Fabian Lehmann , Dominik Scheinert , Jonathan Will , Lauritz Thamsen , Odej Kao

With rapid advances in network hardware, far memory has gained a great deal of traction due to its ability to break the memory capacity wall. Existing far memory systems fall into one of two data paths: one that uses the kernel's paging…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-25 Lei Chen , Shi Liu , Chenxi Wang , Haoran Ma , Yifan Qiao , Zhe Wang , Chenggang Wu , Youyou Lu , Xiaobing Feng , Huimin Cui , Shan Lu , Harry Xu

Curating, processing, and combining large-scale medical imaging datasets from national studies is a non-trivial task due to the intense computation and data throughput required, variability of acquired data, and associated financial…

Temporal prefetching shows promise for handling irregular memory access patterns, which are common in data-dependent and pointer-based data structures. Recent studies introduced on-chip metadata storage to reduce the memory traffic caused…

Hardware Architecture · Computer Science 2025-06-23 Mengming Li , Qijun Zhang , Yichuan Gao , Wenji Fang , Yao Lu , Yongqing Ren , Zhiyao Xie

With the increasing amount of data available to scientists in disciplines as diverse as bioinformatics, physics, and remote sensing, scientific workflow systems are becoming increasingly important for composing and executing scalable data…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-20 Jonathan Bader , Nils Diedrich , Lauritz Thamsen , Odej Kao

Small basestations (SBs) equipped with caching units have potential to handle the unprecedented demand growth in heterogeneous networks. Through low-rate, backhaul connections with the backbone, SBs can prefetch popular files during…

Networking and Internet Architecture · Computer Science 2018-03-14 Alireza Sadeghi , Fatemeh Sheikholeslami , Georgios B. Giannakis

The storage manager, as a key component of the database system, is responsible for organizing, reading, and delivering data to the execution engine for processing. According to the data serving mechanism, existing storage managers are…

Databases · Computer Science 2019-05-20 Ye Zhu

Data processing frameworks such as Apache Beam and Apache Spark are used for a wide range of applications, from logs analysis to data preparation for DNN training. It is thus unsurprising that there has been a large amount of work on…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-07 Ubaid Ullah Hafeez , Martin Maas , Mustafa Uysal , Richard McDougall

In the AI-for-science era, scientific computing scenarios such as concurrent learning and high-throughput computing demand a new generation of infrastructure that supports scalable computing resources and automated workflow management on…